CN113178796A - Ventilation base, looped netowrk cabinet and box-type substation - Google Patents
Ventilation base, looped netowrk cabinet and box-type substation Download PDFInfo
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- CN113178796A CN113178796A CN202110579244.XA CN202110579244A CN113178796A CN 113178796 A CN113178796 A CN 113178796A CN 202110579244 A CN202110579244 A CN 202110579244A CN 113178796 A CN113178796 A CN 113178796A
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- base
- ventilation
- main unit
- ring main
- substation
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- 238000009423 ventilation Methods 0.000 title claims abstract description 102
- 238000009434 installation Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 16
- 230000017525 heat dissipation Effects 0.000 description 14
- 239000010410 layer Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000005494 condensation Effects 0.000 description 7
- 238000009833 condensation Methods 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/01—Frameworks
- H02B1/011—Open support bases
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a ventilation base, a ring main unit and a box-type substation, and relates to the technical field of bases. The structure can enhance the ventilation effect and strengthen the structure. The ring main unit comprises a ring main unit body and the ventilation base, wherein the ventilation base is installed at the bottom of the ring main unit body, and the ring main unit body is communicated with the outside through the ventilation base. This looped netowrk cabinet can strengthen ventilation effect, has higher intensity simultaneously. The utility model provides a box-type substation, includes the transformer substation body and as above-mentioned shown ventilation base, the ventilation pedestal mounting is in the bottom of transformer substation body, and the transformer substation body passes through ventilation base and external intercommunication. This box-type substation can strengthen the ventilation effect, has higher intensity simultaneously.
Description
Technical Field
The invention relates to the technical field of bases, in particular to a ventilation base, a ring main unit and a box-type substation.
Background
The ring main unit is a group of electric equipment which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The system is widely applied to power distribution stations of load centers such as urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
The box-type substation is also called a pre-installed substation or a pre-installed substation. The high-voltage switch equipment, the distribution transformer and the low-voltage distribution device are factory prefabricated indoor and outdoor compact distribution equipment which are integrated according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together and are arranged in a steel structure box which is damp-proof, rust-proof, dust-proof, rat-proof, fireproof, anti-theft, heat-insulating, totally-closed and movable.
The existing ring main unit box body and substation box body structures mostly adopt a mode of adding a metal wall surface to a single-layer metal frame, the bottom of the existing ring main unit box body and substation box body structures is of a single-layer frame structure, a ventilation structure is omitted, and water generated due to condensation in the operation process can be gathered at the bottom of the box body at times.
Disclosure of Invention
The first purpose of the invention is to provide a ventilation base, the structure of which can enhance the ventilation effect and the strength of the base structure.
The second purpose of the invention is to provide a ring main unit, which can enhance the ventilation effect and has higher strength.
The third purpose of the invention is to provide a box-type substation, which can enhance the ventilation effect and has higher strength.
The embodiment of the invention is realized by the following steps:
in a first aspect, some embodiments of the present invention provide a ventilation base, which includes a base body and a ventilation window, wherein the base body has a plurality of layers of frames arranged in parallel with each other and supporting pillars for connecting the frames, the supporting pillars are arranged around the circumference of the frames, and the ventilation window is installed between any two adjacent supporting pillars.
In some embodiments of the present invention, a plurality of fans for exchanging external air are installed inside the base body.
In some embodiments of the invention, a support beam is provided inside the base body.
In some embodiments of the invention, a support is mounted to the bottom of the base body.
In some embodiments of the invention, the lifting device further comprises a mounting part convenient for positioning of the forklift or the lifting mechanism, and the mounting part is arranged at the bottom of the base body.
In a second aspect, some embodiments of the present invention provide a ring main unit, which includes a ring main unit body and a ventilation base as described in any one of the above first aspects, wherein the ventilation base is installed at a bottom of the ring main unit body, and the ring main unit body is communicated with the outside through the ventilation base.
In some embodiments of the invention, the ring main unit body includes a cabinet door, and a ventilation opening is formed in a side wall of the cabinet door.
In a third aspect, some embodiments of the present invention provide a box-type substation, including a substation body and a ventilation base as described in any one of the above first aspects, wherein the ventilation base is installed at the bottom of the substation body, and the substation body is communicated with the outside through the ventilation base.
In some embodiments of the present invention, the substation body includes a box door, and a ventilation opening is formed in a side wall of the box door.
In some embodiments of the invention, a lightning arrester is mounted on top of the substation body.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
aiming at the first aspect, the invention provides a ventilation base which comprises a base body and ventilation windows, wherein the base body is provided with a plurality of layers of frames which are arranged in parallel and supporting columns for connecting the frames, the supporting columns are arranged around the circumference of the frames, and the ventilation windows are arranged between any two adjacent supporting columns. The frame is of a hollow structure, the support columns enable the two adjacent layers of frames to form a space, a large space for air to flow is formed in the frame, equipment provided with the base can be communicated with the outside through the base, and a good ventilation effect is kept; the ventilation window is arranged to block external pollutants and ensure the ventilation effect; meanwhile, the base is provided with a plurality of layers of frames, so that the structural strength is high.
Aiming at the second aspect, the invention provides a ring main unit, which comprises a ring main unit body and the ventilation base shown in the first aspect, wherein the ventilation base is installed at the bottom of the ring main unit body, and the ring main unit body is communicated with the outside through the ventilation base. The ring main unit can generate larger heat during working, generally a heat dissipation fan and other devices for assisting ventilation and heat dissipation are arranged in the ring main unit, and the base has a larger space for air to flow and is communicated with the outside, so that the heat dissipation in the ring main unit can be enhanced, and the number and the volume of internal heat dissipation auxiliary equipment are reduced; meanwhile, water drops generated by condensation in the operation process of the equipment can be directly discharged from the bottom of the base.
The invention provides a box-type substation aiming at the third aspect, which comprises a substation body and a ventilation base as shown in any one of the first aspects, wherein the ventilation base is installed at the bottom of the substation body, and the substation body is communicated with the outside through the ventilation base. The box-type substation can generate larger heat during working, generally a heat dissipation fan and other devices for assisting in ventilation and heat dissipation are arranged in the box-type substation, and the base has a larger space for air to flow and is communicated with the outside, so that the heat dissipation in the box-type substation can be enhanced, and the number and the volume of internal heat dissipation auxiliary equipment are reduced; meanwhile, water drops generated by condensation in the operation process of the equipment can be directly discharged from the bottom of the base.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of a ventilation base according to an embodiment of the present invention;
FIG. 2 is an exploded view of the overall structure of the ventilation base according to the embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of a ventilation base with a regular hexagonal frame according to an embodiment of the present invention;
FIG. 4 is a schematic view of the overall construction of a ventilation base having an alternative construction of support members and mounting portions according to an embodiment of the present invention;
fig. 5 is a schematic view of an overall structure of the ring main unit according to the embodiment of the present invention;
fig. 6 is a schematic view of the overall structure of the box-type substation according to the embodiment of the present invention.
Icon: 1-a base body; 2-a frame; 3-a support column; 4-a ventilation window; 5-a fan; 6-a support beam; 7-reinforcing the tube; 8-a support member; 9-a mounting portion; 10-ring main unit body; 11-a vent; 12-a substation body; 13-lightning arrester.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Please refer to fig. 1-4. FIG. 1 is a schematic view of the overall structure of a ventilation base according to an embodiment of the present invention; FIG. 2 is an exploded view of the overall structure of the ventilation base according to the embodiment of the present invention; fig. 3 is a schematic view of the overall structure of the ventilation base with the regular hexagonal frame 2 according to the embodiment of the present invention; fig. 4 is a schematic view of the whole structure of the ventilation base with another structure of the supporting member 8 and the mounting portion 9 according to the embodiment of the present invention.
The invention provides a ventilation base which comprises a base body 1 and ventilation windows 4, wherein the base body 1 is provided with a plurality of layers of frames 2 arranged in parallel and supporting columns 3 used for connecting the frames 2, the supporting columns 3 are arranged around the circumference of the frames 2, and the ventilation windows 4 are arranged between any two adjacent supporting columns 3.
In the present embodiment, as shown in fig. 1 and 2, the frame 2 has a rectangular structure and is formed by welding square pipes. The number of the frames 2 is two, and the two frames 2 are distributed up and down and arranged in parallel; the support columns 3 are formed by processing square tubes, the number of the support columns 3 is fourteen, six support columns 3 are uniformly distributed on each long side of the frame 2 at equal intervals, and three support columns 3 are uniformly distributed on each short side of the frame 2 at equal intervals; the frames 2 are of hollow structures, the supporting columns 3 enable the space between two adjacent layers of the frames 2 to be generated, a large space for air to flow is formed in the frames, equipment provided with the base can be communicated with the outside through the base, and a good ventilation effect is kept; meanwhile, the base is provided with the multi-layer frame 2, so that the structural strength is high. Selecting a stainless steel ventilating window 4 with the model number of TL-304, and installing the ventilating window 4 between any two adjacent supporting columns 3; the ventilation effect is guaranteed when the setting of ventilation window 4 blocks external pollutant.
In another embodiment except the above embodiment, based on fig. 3, the frames 2 are regular hexagonal structures and are formed by welding square pipes, the number of the frames 2 is three, and the three frames 2 are arranged in parallel; the support columns 3 are disposed at corners of the regular hexagonal frame 2. A stainless steel ventilation window 4 with the model number of TL-304 is arranged between two adjacent supporting columns 3; the frame 2 is in a regular hexagon shape, and equipment with a regular hexagon shape at the bottom surface is conveniently installed at the top of the frame; in the same way, the shape of the base frame 2 can be customized according to the condition of equipment on the base frame, so that the applicability of the product is increased.
Further, a plurality of fans 5 for exchanging external air are installed inside the base body 1.
In the present embodiment, based on fig. 1 and 2, one air extracting fan 5 of PLLS18 is selected, and the fan 5 is disposed toward the ventilation window 4 and connected to the base body 1 by bolts. The fan 5 can provide the effect of forced convection, strengthen the air flow inside, strengthen the ventilation cooling effect of installing equipment on the base body 1.
In other embodiments than those described above, four suction fans 5, of the type PLLS18, are selected and connected to the base body 1 by means of bolts. The four fans 5 are respectively arranged towards the directions of the ventilating windows 4 on the four sides of the rectangular base body 1,
further, a support beam 6 is provided inside the base body 1.
In the present embodiment, based on fig. 1 and fig. 2, the number of the frames 2 is two, and the two frames 2 are distributed up and down and arranged in parallel; the support beam 6 is made of square tubes by welding, the support beam 6 is arranged in the frame 2, and the two opposite ends of the support beam are respectively welded on the inner side walls of the opposite edges of the frame 2; the addition of the support beams 6 increases the structural strength of the base body 1 and also increases the area available for supporting the roof equipment.
In the above embodiment, based on the illustration of fig. 1 and 2, the nodes corresponding to the support beams 6 of the two-layer frame 2 are connected by the reinforcing pipes 7 made of square pipes. The addition of the reinforcing pipe 7 can increase the connection strength between two adjacent layers of the frame 2.
Further, a support member 8 is installed at the bottom of the base body 1.
In the present embodiment, based on fig. 1 and 2, the support members 8 are formed by processing square pipes, and the number of the support members is two, and the length of the two support members is slightly longer than the length of the short side of the rectangular frame 2; the two supporting pieces 8 are symmetrically arranged at the bottom of the base body 1, and the two supporting pieces 8 are both vertical to the long edge of the rectangular frame 2; the supporting piece 8 can enable a gap to be formed between the bottom of the base and the ground, and the influence on the ventilation effect is reduced under the condition that water is accumulated on the ground; simultaneously, because the bottom of base body 1 also is hollow structure, the ventilation effect can further be strengthened with ground separation to the base bottom.
In another embodiment except the above embodiment, based on fig. 4, the number of the supporting members 8 is four, and the four supporting members 8 are respectively disposed at the corners of the rectangular frame 2 at the bottom of the base body 1.
Further, still including the installation department 9 that is convenient for fork truck or hoisting machine construct the location, installation department 9 sets up the bottom at base body 1.
In the present embodiment, based on fig. 1 and 2, the number of the mounting portions 9 is two, the cross section is U-shaped, the length thereof is the same as the short side of the rectangular frame 2, and the mounting portions 9 are welded to the bottom of the base body 1 and are parallel to the short side of the rectangular frame 2. The distance between the two mounting parts 9 is the same as the distance between the forks of a forklift and symmetrically arranged at the bottom of the base body 1; when a product needs to be transported by a forklift, the installation part 9 is convenient for a forklift driver to position, and the situation that equipment turns over due to the deflection of the position of a pallet fork can be prevented in the transportation process because the position of the installation part 9 is fixed; in the hoisting process, the hoisting rope passes through the installation part 9, and the installation part 9 plays a role in positioning, so that the situation that the position of the hoisting rope is inclined can be prevented.
In the above embodiment, based on fig. 4, the number of the mounting portions 9 is two, each mounting portion 9 is made of two L-shaped angle irons arranged in parallel to each other, the length thereof is the same as the short side of the rectangular frame 2, and the mounting portion 9 is connected to the bottom of the base body 1 by bolts, and is parallel to the short side of the rectangular frame 2. The distance between the two mounting parts 9 is the same as the fork distance of a forklift and is symmetrically arranged at the bottom of the base body 1.
Example 2
Please refer to fig. 5. Fig. 5 is a schematic view of an overall structure of the ring main unit according to the embodiment of the present invention.
The embodiment provides based on the technical scheme of embodiment 1, a ring main unit, including ring main unit body 10 and the ventilation base as shown in embodiment 1, the ventilation base is installed in the bottom of ring main unit body 10, and ring main unit body 10 communicates with the outside through the ventilation base.
In this embodiment, based on fig. 5, the size of the base body 1 matches with the size of the ring main unit body 10, and the bottom of the ring main unit body 10 is directly welded to the top of the base body 1. The ring main unit can generate larger heat during working, generally a heat radiation fan 5 and other devices for assisting ventilation and heat radiation are arranged in the ring main unit, and the base has a larger space for air to flow and is communicated with the outside, so that the heat radiation in the ring main unit can be enhanced, and the number and the volume of internal heat radiation auxiliary equipment are reduced; meanwhile, water drops generated by condensation in the operation process of the equipment can be directly discharged from the bottom of the base.
In other embodiments except the above embodiments, the size of the base body 1 is matched with the size of the ring main unit body 10, and the bottom of the ring main unit body 10 is installed on the top of the base body 1 through bolts. Bolted connection has detachable characteristics, and when the base damaged need be changed, only need with the base dismantle change can, reduced cost of maintenance.
Further, the ring main unit body 10 includes a cabinet door, and a vent 11 is provided on a side wall of the cabinet door.
In this embodiment, based on fig. 5, cabinet doors are disposed around the ring main unit body 10, and a ventilation opening 11 is formed in a side wall of the cabinet door near the top; when the temperature inside the ring main unit is higher, the hot air density is lower, the air can rise in the ring main unit body 10 and is discharged from the vent 11, the air with lower external temperature enters from the base, and when the passive heat dissipation equipment inside the ring main unit provided with the ventilation base is in a closed state, certain heat dissipation requirements can be met only by natural convection heat dissipation.
Example 3
Please refer to fig. 6. Fig. 6 is a schematic view of the overall structure of the box-type substation according to the embodiment of the present invention.
The present embodiment proposes based on the technical solution of embodiment 1, a box-type substation, including substation body 12 and the ventilation base as shown in embodiment 1, the ventilation base is installed in the bottom of substation body 12, and substation body 12 communicates with the outside through the ventilation base.
In the present embodiment, based on fig. 6, the size of the base body 1 matches the size of the substation body 12, and the bottom of the substation body 12 is directly welded to the top of the base body 1. The box-type substation can generate larger heat during working, generally a heat radiation fan 5 and other devices for assisting in ventilation and heat radiation are arranged in the box-type substation, and the base has a larger space for air to flow and is communicated with the outside, so that the heat radiation in the box-type substation can be enhanced, and the number and the volume of internal heat radiation auxiliary equipment are reduced; meanwhile, water drops generated by condensation in the operation process of the equipment can be directly discharged from the bottom of the base.
In other embodiments than the above, the size of the base body 1 matches the size of the substation body 12, and the bottom of the box substation body 12 is mounted on the top of the base body 1 by bolts. Bolted connection has detachable characteristics, and when the base damaged need be changed, only need with the base dismantle change can, reduced cost of maintenance.
Further, the substation body 12 includes a box door, and a ventilation opening 11 is formed in a side wall of the box door.
In this embodiment, based on fig. 6, a box door is disposed around the substation body 12, and a ventilation opening 11 is formed in a side wall of the box door near the top; when the temperature of the interior of the substation body 12 is high, the hot air density is low, the hot air can rise in the substation body 12 and is discharged from the vent 11, the air with low external temperature enters from the base, and when the passive heat dissipation equipment in the interior of the box-type substation provided with the ventilation base is in a closed state, certain heat dissipation requirements can be met only by natural convection heat dissipation.
Further, a lightning arrester 13 is mounted on the top of the substation body 12.
In the embodiment, based on fig. 6, the station-type zinc oxide lightning arrester 13 with model number HY5WZ-17/45 is selected, and the lightning arrester 13 can protect the substation from being attacked by lightning surge waves. When the lightning surge transmitted to the box-type substation along the line exceeds the protection level of the lightning arrester 13, the lightning arrester 13 discharges electricity firstly, current is safely led to the ground through a good conductor, the voltage amplitude is limited below the lightning surge level of protected equipment by utilizing the grounding device, and the electrical equipment is protected.
To sum up, aiming at the first aspect, the invention provides a ventilation base, which comprises a base body 1 and ventilation windows 4, wherein the base body 1 is provided with a plurality of layers of frames 2 arranged in parallel and supporting columns 3 used for connecting the frames 2, the supporting columns 3 are arranged around the circumference of the frames 2, and the ventilation windows 4 are arranged between any two adjacent supporting columns 3. The frames 2 are of hollow structures, the supporting columns 3 enable the space between two adjacent layers of the frames 2 to be generated, a large space for air to flow is formed in the frames, equipment provided with the base can be communicated with the outside through the base, and a good ventilation effect is kept; the ventilation window 4 is arranged to block outside pollutants and ensure the ventilation effect; meanwhile, the base is provided with the multi-layer frame 2, so that the structural strength is high.
Aiming at the second aspect, the invention provides a ring main unit, which comprises a ring main unit body 10 and a ventilation base as shown in the first aspect, wherein the ventilation base is installed at the bottom of the ring main unit body 10, and the ring main unit body 10 is communicated with the outside through the ventilation base. The ring main unit can generate larger heat during working, generally a heat radiation fan 5 and other devices for assisting ventilation and heat radiation are arranged in the ring main unit, and the base has a larger space for air to flow and is communicated with the outside, so that the heat radiation in the ring main unit can be enhanced, and the number and the volume of internal heat radiation auxiliary equipment are reduced; meanwhile, water drops generated by condensation in the operation process of the equipment can be directly discharged from the bottom of the base.
In view of the third aspect, the present invention provides a box-type substation, including a substation body 12 and a ventilation base as described in any one of the above first aspects, the ventilation base is installed at the bottom of the substation body 12, and the substation body 12 is communicated with the outside through the ventilation base. The box-type substation can generate larger heat during working, generally a heat radiation fan 5 and other devices for assisting in ventilation and heat radiation are arranged in the box-type substation, and the base has a larger space for air to flow and is communicated with the outside, so that the heat radiation in the box-type substation can be enhanced, and the number and the volume of internal heat radiation auxiliary equipment are reduced; meanwhile, water drops generated by condensation in the operation process of the equipment can be directly discharged from the bottom of the base.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a ventilation base, its characterized in that includes base body and ventilation window, base body has the mutual parallel arrangement's of multilayer frame and is used for connecting the support column of frame, the support column encircles the circumference setting of frame, arbitrary adjacent two install between the support column the ventilation window.
2. A ventilating base according to claim 1, wherein a plurality of fans for exchanging outside air are installed inside said base body.
3. A ventilated base according to claim 1, wherein the base body is internally provided with support beams.
4. A ventilation base as claimed in claim 1, in which the base body is provided with a support member at its base.
5. The ventilated base of claim 1, further comprising an installation portion for facilitating positioning of a forklift or a hoisting mechanism, the installation portion being disposed at a bottom of the base body.
6. A ring main unit, characterized by comprising a ring main unit body and the ventilation base as claimed in any one of claims 1 to 5, wherein the ventilation base is installed at the bottom of the ring main unit body, and the ring main unit body is communicated with the outside through the ventilation base.
7. The ring main unit as claimed in claim 6, wherein the ring main unit body includes a cabinet door, and a ventilation opening is opened on a side wall of the cabinet door.
8. A box-type substation, characterized by comprising a substation body and the ventilation base of any one of claims 1-5, wherein the ventilation base is installed at the bottom of the substation body, and the substation body is communicated with the outside through the ventilation base.
9. A box substation according to claim 8, wherein the substation body comprises a box door, and the ventilation opening is opened in a side wall of the box door.
10. A box substation according to claim 8, characterized in that a lightning arrester is mounted on the top of the substation body.
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| CN202110579244.XA CN113178796B (en) | 2021-05-26 | 2021-05-26 | Ventilation base, ring main unit and box-type transformer substation |
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| CN202110579244.XA CN113178796B (en) | 2021-05-26 | 2021-05-26 | Ventilation base, ring main unit and box-type transformer substation |
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Cited By (1)
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| CN114362012A (en) * | 2022-01-14 | 2022-04-15 | 贵州义信安能工程有限公司 | Anti-condensation open type box chamber ventilation method and ventilation structure for electrical equipment |
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| CN113178796B (en) | 2024-01-12 |
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